RMDCN Network Architecture - PowerPoint PPT Presentation

RMDCN Network Architecture. Vienna, RMDCN Steering Group 4-6 June 2008 Remy Giraud ECMWF. Standard Service Elements. Bandwidth for each User Site; User Site-specific service and traffic management through COS mechanisms Service Levels depending on the Service Type selected by User Sites;

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OBS has configured the Network’s application classification rules that define how the CE router manages the application traffic classification (ie prioritization) for the outgoing traffic. Application traffic is assigned to the corresponding COS class (D1, D2 or D3). Unclassified application traffic will by default be assigned to the “by default” COS class.

From the Network to the CE.

In this direction, the Network takes precedence over the sender User Site (using COS) and automatically classifies the received data in the same COS. If the COS used is not configured on the access, then the received traffic is classified as “unknown type of traffic” and put in the “by default” COS configured on the access. The per-COS traffic assignment rules correspond to how traffic flow is mapped to a COS, and is similar to specifying an access control list. If any incoming traffic is received that does not match any of the provided rules, this traffic is sent into the lower level class (might be D2 or D3).